METHOD AND SYSTEM FOR VIDEO DECODING BY MEANS OF A GRAPHIC PIPELINE, COMPUTER PROGRAM PRODUCT THEREFOR
First Claim
1. A method for decoding a stream of compressed digital video images, comprising:
- reading said stream of compressed digital video images using a graphics accelerator;
creating, via said graphics accelerator, starting from said stream of compressed digital video images, three-dimensional scenes to be rendered; and
converting said three-dimensional scenes to be rendered into decoded video images.
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Abstract
A system for decoding a stream of compressed digital video images comprises a graphics accelerator for reading the stream of compressed digital video images, creating, starting from said stream of compressed digital video images, three-dimensional scenes to be rendered, and converting the three-dimensional scenes to be rendered into decoded video images. The graphics accelerator is preferentially configured as pipeline selectively switchable between operation in a graphics context and operation for decoding the stream of video images. The graphics accelerator is controllable during operation for decoding the stream of compressed digital video images via a set of application programming interfaces comprising, in addition to new APIs, also standard APIs for operation of the graphics accelerator in a graphics context.
11 Citations
39 Claims
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1. A method for decoding a stream of compressed digital video images, comprising:
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reading said stream of compressed digital video images using a graphics accelerator; creating, via said graphics accelerator, starting from said stream of compressed digital video images, three-dimensional scenes to be rendered; and converting said three-dimensional scenes to be rendered into decoded video images. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19)
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- 12. The method according to claim 12, wherein performing said rasterization operation includes returning the set of pixels based on values of color coordinates of said compressed digital video images.
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20. A system for decoding a stream of compressed digital video images, comprising:
a graphics accelerator including; reading means for reading said stream of compressed digital video images; creating means for creating, starting from said stream of compressed digital video images, three-dimensional scenes to be rendered; and converting means for converting said three-dimensional scenes to be rendered into decoded video images. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A computer-readable medium having contents that cause a graphics accelerator to decode a stream of compressed digital video images according to a method comprising:
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reading said stream of compressed digital video images using the graphics accelerator; creating, via said graphics accelerator, starting from said stream of compressed digital video images, three-dimensional scenes to be rendered; and converting said three-dimensional scenes to be rendered into decoded video images. - View Dependent Claims (39)
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Specification